Levers - Biomechanics

Question 1

What is the hint for understanding the order of the levers ?

Answer 1

123
FLE

Question 2

What is the order of the first order lever ?

Answer 2

Resistance > Fulcrum > Effort

Any order with the fulcrum in the middle

Question 3

What is the order of the second order lever ?

Answer 3

Effort > Resistance > Fulcrum

Any order with the resistance in the middle

Question 4

What is the order of the third order lever ?

Answer 4

Resistance > Effort > Fulcrum

Any order with the effort in the middle

Question 5

What is the first order lever used for ?

Answer 5

Elbow extension only

Question 6

What is the second order lever used for ?

Answer 6

For the ankle only
Ex. plantar / Dorsi flexion

Question 7

What is the third order lever used for ?

Answer 7

Any thing other than the ankle or elbow flexion.

Question 8

What are the Advantages and disadvantages of the 2nd order lever used?

Answer 8

Advantage: can carry a heavier load
Disadvantage: not with a quick speed

Question 9

What are the Advantages and Disadvantages of the 3rd class lever ?

Answer 9

Advantage: can be done with a quick speed
Disadvantage: can not carry a heavy load